hoval indoor climate systems roofvent rp · filtering of the fresh air and the extract air air...

Hoval Indoor Climate SystemsRoofVent® RPSupply and extract air handling units with efficient air distribution for heating and cooling with decentralised heat pump

Design Handbook

Indoor Climate SystemsEfficient. Flexible. Reliable.

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RoofVent® RPSupply and extract air handling units with efficient air distribution for heating and cooling with decentralised heat pump

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Options 37

Transport and installation 49

System design 63

Control systemsHoval TopTronic® C→ see 'Control Systems for Hoval Indoor Climate Systems' manual

A

B

C

D

E

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RoofVent® RP ContentContent

Hoval Indoor Climate SystemsEfficient. Flexible. Reliable.

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Hoval Indoor Climate Systems Content

Efficient. Flexible. Reliable.

Hoval indoor climate systems are decentralised systems for heating, cooling and ventilating halls for industrial, commer-cial and leisure applications. The systems have a modular structure. One system comprises several ventilation units which are spread around the room. These units are equipped with reversible heat pumps and gas-fi red heat exchangers for decentralised heat and cold generation, or they heat and cool with a connection to a central energy supply.Tailored control systems complete the system and ensure the effective combination and optimal use of all resources.

Diverse range of units ensures fl exibilityDifferent types of ventilation units can be combined to create the perfect system for the project in question:

■ RoofVent® supply and extract air handling units ■ TopVent® supply air units ■ TopVent® recirculation units

The number of supply and extract air handling units depends on how much fresh air is required in order to create a comfortable atmosphere for people in the building. Recirculation units cover additional heat or cool demand as required. A broad range of unit types and sizes with heating and cooling coils in various output levels means that the overall output of the system can be scaled to whatever level is required.Specially designed unit versions are also available for halls with particularly humid or oily extract air.Furthermore, there is a range of units available which have been expressly developed for very specifi c purposes. ProcessVent units, for example, are coupled with extract air purifi cation systems in industrial halls and recover heat from process air.

Draught-free air distributionA key feature of Hoval indoor climate units is the patented vortex air distributor, known as the Air-Injector. It is controlled automatically and changes the blowing angle of the air continuously between vertical and horizontal. The highly effi cient air supply system has many advantages:

■ It provides a high level of comfort during heating and cooling. No draughts develop in the hall.

■ The effi cient and even air distribution ensures that the indoor climate units cover a large area.

■ The Air-Injector keeps the temperature stratifi cation in the room low, thus minimising heat loss through the roof.

Control with specialist expertiseThe TopTronic® C control system, which was specifi cally developed for Hoval indoor climate systems, regulates the separate units individually and controls them based on zones. This enables optimal adjustment to the local require-ments of the different usage areas in the building. The patented control algorithm optimises energy use and ensures maximum comfort and hygiene levels. Clear interfaces make it easy to connect the system to the building management system.Simpler control systems are also available for units that are only used for supply air or air recirculation.

Competent and reliableHoval will support you and provide expert knowledge throughout all project phases. You can rely on comprehen-sive technical advice when it comes to planning Hoval indoor climate systems and on the skills of the Hoval technicians during the installation, commissioning and maintenance of the system.

System with decentralised heat and cold generation with heat pump

System with central heat and cold generation

System with decentralised heat generation with gas-fi red heat exchanger

TopVent®with heat pump

TopVent®

TopVent®gas-fi red

RoofVent®with heat pump

RoofVent®

TopVent®gas-fi red


TopVent®

TopVent®gas-fi red

Boiler (e.g. UltraGas®)

Water chiller

4

Hoval Indoor Climate Systems Flexible. Efficient. Reliable.

Efficient. Flexible. Reliable.

Hoval indoor climate systems are decentralised systems for heating, cooling and ventilating halls for industrial, commer-cial and leisure applications. The systems have a modular structure. One system comprises several ventilation units which are spread around the room. These units are equipped with reversible heat pumps and gas-fi red heat exchangers for decentralised heat and cold generation, or they heat and cool with a connection to a central energy supply.Tailored control systems complete the system and ensure the effective combination and optimal use of all resources.

Diverse range of units ensures fl exibilityDifferent types of ventilation units can be combined to create the perfect system for the project in question:

■ RoofVent® supply and extract air handling units ■ TopVent® supply air units ■ TopVent® recirculation units

The number of supply and extract air handling units depends on how much fresh air is required in order to create a comfortable atmosphere for people in the building. Recirculation units cover additional heat or cool demand as required. A broad range of unit types and sizes with heating and cooling coils in various output levels means that the overall output of the system can be scaled to whatever level is required.Specially designed unit versions are also available for halls with particularly humid or oily extract air.Furthermore, there is a range of units available which have been expressly developed for very specifi c purposes. ProcessVent units, for example, are coupled with extract air purifi cation systems in industrial halls and recover heat from process air.

Draught-free air distributionA key feature of Hoval indoor climate units is the patented vortex air distributor, known as the Air-Injector. It is controlled automatically and changes the blowing angle of the air continuously between vertical and horizontal. The highly effi cient air supply system has many advantages:

■ It provides a high level of comfort during heating and cooling. No draughts develop in the hall.

■ The effi cient and even air distribution ensures that the indoor climate units cover a large area.

■ The Air-Injector keeps the temperature stratifi cation in the room low, thus minimising heat loss through the roof.

Control with specialist expertiseThe TopTronic® C control system, which was specifi cally developed for Hoval indoor climate systems, regulates the separate units individually and controls them based on zones. This enables optimal adjustment to the local require-ments of the different usage areas in the building. The patented control algorithm optimises energy use and ensures maximum comfort and hygiene levels. Clear interfaces make it easy to connect the system to the building management system.Simpler control systems are also available for units that are only used for supply air or air recirculation.

Competent and reliableHoval will support you and provide expert knowledge throughout all project phases. You can rely on comprehen-sive technical advice when it comes to planning Hoval indoor climate systems and on the skills of the Hoval technicians during the installation, commissioning and maintenance of the system.

System with decentralised heat and cold generation with heat pump

System with central heat and cold generation

System with decentralised heat generation with gas-fi red heat exchanger


TopVent®

TopVent®gas-fi red

RoofVent®with heat pump

RoofVent®

TopVent®gas-fi red


TopVent®

TopVent®gas-fi red

Boiler (e.g. UltraGas®)

Water chiller

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Hoval Indoor Climate Systems System overview

RoofVent® RP

Supply and extract air handling units with efficient air distribution for heating and cooling with decentralised heat pump

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1 Use ......................................................................................................82 Construction and operation ..................................................................83 Technical data ....................................................................................184 Specification texts ..............................................................................32

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RoofVent® RP Content

1 Use

1.1 Intended use

RoofVent® RP units are supply and extract air handling units for use in tall, single-floor halls. They have the following functions:

■ Fresh air supply ■ Extract air removal ■ Heating and cooling with heat pump ■ Supplementary heating with electric heating coil (option) ■ Supplementary heating with hot water (with connection to

a hot water supply, option) ■ Energy recovery with highly efficient plate heat exchanger ■ Filtering of the fresh air and the extract air ■ Air distribution with adjustable Air-Injector

RoofVent® RP units are equipped with an air/air heat pump system which generates both heat and cold decentrally. In this way, they utilise the energy in the ambient air for environ-mentally friendly heating and cooling of the hall. The indoor climate system is designed to be completely decentralised, which offers key advantages:

■ Quick and easy planning ■ Low investment costs as a pipe network is not required for

heating and cooling supply ■ Reliable system operation due to redundancy in case of

unit failure

The Hoval TopTronic® C integrated control system ensures energy-efficient, demand-based operation of Hoval indoor climate systems.

Intended use also includes compliance with the operating instructions. Any usage over and above this use is consid-ered to be not as intended. The manufacturer can accept no liability for damage resulting from improper use.

1.2 User group

The units are only allowed to be installed, operated and maintained by authorised and instructed personnel who are well acquainted with the units and are informed about possible dangers.

The operating instructions are for operating engineers and technicians as well as specialists in building, heating and ventilation technology.

2 Construction and operation

2.1 Construction

The RoofVent® RP unit consists of the following components:

Roof unit with energy recoverySelf-supporting casing for mounting on the roof frame; the double-shell design guarantees good thermal insulation and high stability. As part of the TopTronic® C control system, the control block is an integral component of the roof unit. The following components are installed in an accessible position behind the supply air access door:

■ Unit controller: this component controls the unit including the air distribution according to the specifications of the control zone and regulates the supply air temperature using cascade control. The unit controller is connected to the other components of the TopTronic® C control system via system bus.

■ High-voltage section ■ Low-voltage section

Below-roof unitThe below-roof unit comprises the following components:

■ Connection module: The connection module is available in 4 lengths per unit size for adapting the unit to local installation conditions. As part of the TopTronic® C control system, the connection box is an integral component of the connection module. The connection box has a direct plug connection to the control block in the roof unit via the wiring harness.

■ Supplementary heater with electric heating coil (option): To support the heat pump at very low outside temperatures

■ Supplementary heater with hot water (option): To support the heat pump at very low outside temperatures

■ Heating/cooling section: For heating and cooling the supply air with the heat pump

■ Air-Injector: Patented, automatically adjustable vortex air distributor for draught-free air distribution over a large area

Heat pump systemThe heat pump system consists of the following components:

■ Reversible condensing unit ■ Communication module ■ Expansion valve

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RoofVent® RP Use

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a

b

c

a

b

c

■1 Roof unit with energy recovery■2 Below-roof unit

a Connection moduleb Supplementary heater (option)c Heating/cooling sectiond Air-Injector

■3 Heat pump systema Reversible condensing unitb Communication modulec Expansion valve

Fig. B1: Components RoofVent® RP

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RoofVent® RPUse Construction and operation

■1 Condensate separator■2 Condenser/evaporator■3 Access panel, connection box■4 Extract air filter■5 Supply air fans■6 Supply air access door■7 Control block■8 Exhaust air access door■9 Exhaust air fans■10 Plate heat exchanger with bypass

(for performance control and as recirculation bypass)

■11 Fresh air damper with actuator■12 Bypass damper with actuator■13 Fresh air filter■14 Fresh air access door■15 Extract air and recirculation dampers

with actuator■16 Condensing unit■17 Extract air access door■18 Extract air grille■19 Access panel, liquid temperature sensor■20 Communication module■21 Expansion valve■22 Actuator Air-Injector

Fig. B2: RoofVent® RP with 1 heat pump system

2.2 Construction variants

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2

3

5

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6

7

8

9 10 11 12 13

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16

17

18

20

21

22

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RoofVent® RP Construction and operation

■1 2 condensing units■2 Condenser/evaporator with 2 circuits■3 2 communication modules■4 2 expansion valves

Fig. B3: RoofVent® RP with 2 heat pump systems

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2

3

4

1

2

1

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■1 Electric heating coil■2 Access panel, electric heating coil■3 Access panel, electric heating coil

connection

Fig. B4: Roofvent® RP with supplementary heater (electric heating coil)

■1 Heating coil (hot water)■2 Frost stat

Fig. B5: Roofvent® RP with supplementary heater (hot water)

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RoofVent® RPConstruction and operation Construction and operation

2.3 Function diagrams

RoofVent® RP with 1 heat pump system

1

2

3

5

25

2426

4

6

21

208

1514

18

19

17

16

9

10

1112

13

22

23

7

■1 Fresh air■2 Fresh air filter with differential pressure switch■3 Temperature sensor air inlet ER (optional)■4 Fresh air damper with actuator■5 Bypass damper with actuator■6 Plate heat exchanger■7 Temperature sensor air outlet ER (optional)■8 Supply air fans with flow rate monitoring■9 Heating/cooling coil■10 Condensate separator■11 Air-Injector with actuator■12 Supply air temperature sensor■13 Supply air

■14 Liquid temperature sensor■15 Expansion valve (supplied loose)■16 Shut-off valves■17 Condensing unit■18 Gas temperature sensor (supplied loose)■19 Extract air■20 Extract air filter with differential pressure switch■21 Extract air temperature sensor■22 Extract air damper with actuator■23 Recirculation damper (opposed to the extract air damper)■24 Exhaust air temperature sensor■25 Exhaust air fans with flow rate monitoring■26 Exhaust air

Table B1: Function diagram RoofVent® RP-6-K, RP-9-K

RP-6-KRP-9-K

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RoofVent® RP with 2 heat pump systems

1

2

3

5

25

2426

4

6

21

208

1514

18

19

17

16

9

10

1112

13

22

23

7

1

2

3

5

25

2426

4

6

21

208

1514

1514

18 18

19

17

16

17

16

9

10

1112

13

22

23

7

■1 Fresh air■2 Fresh air filter with differential pressure switch■3 Temperature sensor air inlet ER (optional)■4 Fresh air damper with actuator■5 Bypass damper with actuator■6 Plate heat exchanger■7 Temperature sensor air outlet ER (optional)■8 Supply air fans with flow rate monitoring■9 Heating/cooling coil■10 Condensate separator■11 Air-Injector with actuator■12 Supply air temperature sensor■13 Supply air

■14 Liquid temperature sensor■15 Expansion valve (supplied loose)■16 Shut-off valves■17 Condensing unit■18 Gas temperature sensor (supplied loose)■19 Extract air■20 Extract air filter with differential pressure switch■21 Extract air temperature sensor■22 Extract air damper with actuator■23 Recirculation damper (opposed to the extract air damper)■24 Exhaust air temperature sensor■25 Exhaust air fans with flow rate monitoring■26 Exhaust air

Table B2: Function diagram RoofVent® RP-9-M

RP-9-MB

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Roofvent® RP with supplementary heater (electric heating coil)

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2

3

5

32

3133

4

6

28

278

2221

25

26

24

23

16

17

1819

20

29

30

7

14

10

15

111213

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■1 Fresh air■2 Fresh air filter with differential pressure switch■3 Temperature sensor air inlet ER (optional)■4 Fresh air damper with actuator■5 Bypass damper with actuator■6 Plate heat exchanger■7 Temperature sensor air outlet ER (optional)■8 Supply air fans with flow rate monitoring■9 Heating coil (electric)■10 Run-on thermostat■11 Temperature monitor■12 Safety temperature limiter■13 Thyristor controller■14 Temperature sensor air outlet supplementary heater■15 Air flow monitoring■16 Heating/cooling coil■17 Condensate separator

■18 Air-Injector with actuator■19 Supply air temperature sensor■20 Supply air■21 Liquid temperature sensor■22 Expansion valve (supplied loose)■23 Shut-off valves■24 Condensing unit■25 Gas temperature sensor (supplied loose)■26 Extract air■27 Extract air filter with differential pressure switch■28 Extract air temperature sensor■29 Extract air damper with actuator■30 Recirculation damper (opposed to the extract air damper)■31 Exhaust air temperature sensor■32 Exhaust air fans with flow rate monitoring■33 Exhaust air

Table B3: Function diagram RoofVent® RP-6SK, RP-9RK, RP-9SK

RP-6SKRP-9RKRP-9SK

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Roofvent® RP with supplementary heater (hot water)

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2

3

5

28

2729

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6

24

238

1817

21

22

20

19

12

9

13

1415

16

25

26

7

10

11

■1 Fresh air■2 Fresh air filter with differential pressure switch■3 Temperature sensor air inlet ER (optional)■4 Fresh air damper with actuator■5 Bypass damper with actuator■6 Plate heat exchanger■7 Temperature sensor air outlet ER (optional)■8 Supply air fans with flow rate monitoring■9 Heating coil (hot water)■10 Frost controller■11 Temperature sensor air outlet supplementary heater■12 Heating/cooling coil■13 Condensate separator■14 Air-Injector with actuator■15 Supply air temperature sensor

■16 Supply air■17 Liquid temperature sensor■18 Expansion valve (supplied loose)■19 Shut-off valves■20 Condensing unit■21 Gas temperature sensor (supplied loose)■22 Extract air■23 Extract air filter with differential pressure switch■24 Extract air temperature sensor■25 Extract air damper with actuator■26 Recirculation damper (opposed to the extract air damper)■27 Exhaust air temperature sensor■28 Exhaust air fans with flow rate monitoring■29 Exhaust air

Table B4: Function diagram RoofVent® RP-6AK, RP-9AK

RP-6AKRP-9AK

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2.4 Operating modes

The RoofVent® RP has the following operating modes: ■ Ventilation ■ Ventilation (reduced) ■ Air quality ■ Recirculation

■ Exhaust air ■ Supply air ■ Standby

The TopTronic® C control system regulates these operating modes automatically for each control zone in accordance with the specifications in the calendar. The following points also apply:

■ The operating mode of a control zone can be switched over manually. ■ Each RoofVent® unit can operate individually in a local operating mode:

Off, Recirculation, Supply air, Exhaust air, Ventilation, Forced heating.

Code Operating mode DescriptionVE Ventilation

The unit blows fresh air into the room and exhausts polluted room air. The room temperature set value day is active. Depending on the temperature conditions, the system continuously controls:

■ the energy recovery ■ the heating/cooling

Supply air fan ................... on *)Exhaust air fan ................. on *)Energy recovery ............... 0-100 %Extract air damper ............ openRecirculation damper ....... closedHeating/cooling ................ 0-100 %

*) Adjustable flow rate

VEL Ventilation (reduced)As VE, but the unit only operates with the set minimum values for the supply and exhaust air volumes

Supply air fan ................... MINExhaust air fan ................. MINEnergy recovery ............... 0-100 %Extract air damper ............ openRecirculation damper ....... closedHeating/cooling ................ 0-100 %

AQ Air qualityThis is the operating mode for demand-controlled ventilation of the room. The room temperature set value day is active. Depending on the temperature conditions, the system continuously controls:

■ the energy recovery ■ the heating/cooling

Depending on the room air quality, the system operates in one of the following oper-ating states:

AQ_REC ■ Air quality Recirculation: When air quality is good, the unit heats or cools in recirculation operation.

Like REC

AQ_ECO ■ Air quality Mixed air: When ventilation requirements are medium, the unit heats or cools in mixed air operation. The supply/exhaust air volume is based on the air quality.

Supply air fan ................... MIN-MAXExhaust air fan ................. MIN-MAXEnergy recovery ............... 0-100 %Extract air damper ............ 50 %Recirculation damper ....... 50 %Heating/cooling ................ 0-100 %

AQ_VE ■ Air quality Ventilation: When ventilation requirements are high, the unit heats or cools in pure ventilation operation. The supply/exhaust air volume is based on the air quality.

Supply air fan ................... MIN-MAXExhaust air fan ................. MIN-MAXEnergy recovery ............... 0-100 %Extract air damper ............ openRecirculation damper ....... closedHeating/cooling ................ 0-100 %

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Code Operating mode DescriptionREC Recirculation

On/Off recirculation operation with TempTronic algorithm: During heat or cool demand, the unit draws in room air, heats or cools it and blows it back into the room. The room temperature set value day is active. The flow rate is controlled in 2 stages.

Supply air fan ................... 0 / 50 / 100 % *)Exhaust air fan ................. offEnergy recovery ............... 0 %Extract air damper ............ closedRecirculation damper ....... openHeating/cooling ................ on *)

*) Depending on heat or cool demand

EA Exhaust airThe unit extracts spent room air. There is no room temperature control. Unfiltered fresh air enters the room through open windows and doors or another system provides air supply.

Supply air fan ................... offExhaust air fan ................. on *)Energy recovery ............... 0 %Extract air damper ............ openRecirculation damper ....... closedHeating/cooling ................ off


SA Supply airThe unit blows fresh air into the room. The room temperature set value day is active. Depending on the temperature conditions, the system controls the heating/cooling. Spent room air passes through open windows and doors or another system provides extraction.

Supply air fan ................... on *)Exhaust air fan ................. offEnergy recovery ............... 0 % **)Extract air damper ............ openRecirculation damper ....... closedHeating/cooling ................ 0-100 %

*) Adjustable flow rate **) Fresh air and bypass dampers are open

ST StandbyThe unit is normally switched off.The following functions remain active:

CPR ■ Cooling protection: If the room temperature drops below the set value for cooling protection, the unit heats up the room in recirculation operation.

Supply air fan ................... MAXExhaust air fan ................. offEnergy recovery ............... 0 %Extract air damper ............ closedRecirculation damper ....... openHeating/cooling ................ on

OPR ■ Overheating protection: If the room temperature rises above the set value for overheating protection, the unit cools down the room in recirculation operation. If the temperatures also permit fresh air cooling, the units automatically switches to night cooling (NCS) to save energy.

NCS ■ Night cooling: If the room temperature exceeds the set value for night cooling and the current fresh air temperature permits it, the unit blows cool fresh air into the room and extracts warmer room air.

Supply air fan ................... on *)Exhaust air fan ................. on *)Energy recovery ............... 0 %Extract air damper ............ openRecirculation damper ....... closedHeating/cooling ................ off


L_OFF Off (local operating mode)The unit is switched off. Frost protection remains active.

Supply air fan ................... offExhaust air fan ................. offEnergy recovery ............... 0 %Extract air damper ............ closedRecirculation damper ....... openHeating/cooling ................ off

– Forced heating (only for units with supplementary heater)The unit draws in room air, warms it and blows it back into the room.Forced heating is activated by inserting a wire jumper in the control block. For example, it is suitable for heating the hall before taking the control system into oper-ation or if the controller fails during the heating period. Connecting a room thermostat makes it possible to specify a room temperature set value.

Supply air fan ................... MAXExhaust air fan ................. offEnergy recovery ............... 0 %Extract air damper ............ closedRecirculation damper ....... openHeating ............................ on

Table B5: Operating modes RoofVent® RP

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3 Technical data

3.1 Unit type reference

RP - 6 A K ...

Unit typeRoofVent® RP

Unit size6 or 9

Heating section (option)- without heating sectionA with coil type A (hot water)R with coil type R (electric)S with coil type S (electric)

Heating/cooling sectionK with coil type K (1 heat pump)M with coil type M (2 heat pumps)

Further options

Table B6: Unit type reference

3.2 Application limits

Fresh air temperature heating mode min.max.

°C°C

-2015

Fresh air temperature cooling mode min.max.

°C°C

-540

Extract air temperature max. °C 50Extract air relative humidity 1) max. % 60Moisture content of extract air 1) max. g/kg 12.5 Supply air temperature max. °C 45Air flow rate Size 6:

Size 9:min.min.

m³/hm³/h

31005000

Condensate quantity Size 6: Size 9:

max.max.

kg/hkg/h

90150

Temperature of the heating medium 2) max. °C 90Pressure of the heating medium 2) max. kPa 800The units cannot be used in:

■ Damp locations ■ Rooms with mineral oil vapours in the air ■ Rooms with a high salt content in the air ■ Rooms with acidic or alkaline vapours in the air

1) Units for applications where the humidity in the room increases by more than 2 g/kg are available on request.

2) For units with supplementary hot water heater

Table B7: Application limits

3.3 Heat recovery system (HRS)

Unit type RP-6 RP-9Temperature efficiency, dry % 77 78Temperature efficiency, wet % 89 90

Table B8: Thermal transfer level of the plate heat exchanger

3.4 Air filtration

Filter Fresh air Extract airClass acc. to ISO 16890 ePM1 55 % ePM10 65 %Class acc. to EN 779 F7 M5Factory setting of differential pressure switches

250 Pa 350 Pa

Table B9: Air filtration

3.5 Electrical connection

RoofVent® RP

Unit type RP-6…K RP-9…KRP-9-M

Supply voltage V AC 3 × 400 3 × 400Permitted voltage tolerance % ± 5 ± 5Frequency Hz 50 50Connected load kW 4.5 8.5Current consumption max. A 7.7 14.3Series fuse A 13.0 20.0

Table B10: RoofVent® RP electrical connections

Electric heating coil 6S 9R 9SConnected load kW 14 14 28Current consumption max. A 20 20 40Series fuse A 20 20 40

Table B11: Electric heating coil electrical connections

ERQ250 condensing unit

Unit type RP…6-KRP…9-K

RP-9-M

Supply voltage V AC 3 × 400 3 × 400Permitted voltage tolerance % ± 10 ± 10Frequency Hz 50 50Connected load kW 13.5 2 × 13.5Current consumption max. A 21.6 2 × 21.6Series fuse A 25 2 × 25.0Inrush current A 74 2 × 74.0

Table B12: Daikin ERQ250 condensing unit electrical connections

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RoofVent® RP Technical data

3.6 Flow rate, product parameters

Unit type RP-6 RP-9Nominal air flow rate m³/h 5500 8000

m³/s 1.53 2.22Floor area covered m² 480 797Specific fan power SFPint W/(m³/s) 920 940Face velocity m/s 2.69 2.98Static efficiency of the fans % 62 63Internal pressure drop of ventilation components

Fresh air/supply air Pa 270 268Extract air/exhaust air Pa 300 316

Maximum leakage rateExternal % 0.45 0.25Internal % 1.5 1.2

Heating/cooling section 6-K 6AK 6SK 9-K 9-M 9AK 9RK 9SKNominal external pressure

Supply air Pa 130 110 130 240 200 210 230 220Extract air Pa 190 190 190 300 300 300 300 300

Effective electric power input kW 2.13 2.18 2.14 3.31 3.42 3.45 3.34 3.38

Table B13: Technical data RoofVent® RP

3.7 Condensing unit technical data

Rated heat output 1) kW 31.5Rated cooling capacity 2) kW 28.0COP value – 4.09EER value – 3.77Condensation temperature °C 46Evaporation temperature °C 6Working medium – R410aFill volume working medium (prefilled) kg 8.41) With fresh air temperature 7 °C / extract air temperature 20 °C2) With fresh air temperature 35 °C / extract air temperature 27 °C / 45% rel. humidity

Table B14: Daikin ERQ250 condensing unit technical data

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RoofVent® RPTechnical data Technical data

3.8 Heat output

tF Type Q QTG Hmax tS PHP PE ΔpW mW°C RP- kW kW m °C kW kW kPa l/h

-5

6–K 27.5 20.6 15.7 29.1 8.20 – – –6AK 41.7 34.8 12.3 36.8 9.14 – 1.0 413.06SK 41.3 34.4 12.3 36.6 9.14 14.0 – –9–K 27.5 18.1 20.5 24.7 8.50 – – –9–M 55.0 45.6 13.3 34.9 17.00 – – –9AK 52.4 43.0 13.6 34.0 9.36 – 1.0 722.09RK 41.4 32.0 15.6 29.9 8.93 14.0 – –9SK 52.8 43.4 13.6 34.1 9.36 25.6 – –

-15

6–K 22.1 11.6 20.5 24.2 7.50 – – –6AK 37.5 26.9 13.8 32.5 8.18 – 1.0 446.06SK 35.9 25.4 14.2 31.7 8.04 14.0 – –9–K 22.1 7.7 25.0 20.9 7.50 – – –9–M 44.2 29.8 16.2 29.1 15.00 – – –9AK 48.7 34.3 15.1 30.7 8.45 – 1.0 769.09RK 36.0 21.6 18.8 26.0 7.77 14.0 – –9SK 49.9 35.5 14.9 31.2 8.45 28.0 – –

Legend: tF = Fresh air temperatureQ = Heat outputQTG = Output to cover fabric heat lossesHmax = Maximum mounting heighttS = Supply air temperaturePHP = Power consumption of the condensing unit(s)PE = Power consumption of the electric heating coilΔpW = Water pressure dropmW = Water quantity

Reference: Room air 18 °C, extract air 20 °C / 20 % rel. humiditySupplementary heater with hot water: Flow / Return 60 °C / 30 °C

Table B15: Heat output RoofVent® RP

Notice The output for coverage of the fabric heat losses (QTG) allows for the ventilation heat requirement (QV) and the energy recovery output (QER) under the respective air conditions. The following applies: Q + QER = QV + QTG

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3.9 Cooling capacities

tF RHF Type Qsen Qtot QTG tS mC PHP°C % RP- kW kW kW °C kg/h kW

28

406…K 16.5 23.0 11.6 16.0 9.6 4.709…K 18.1 25.6 10.3 18.2 11.1 5.249–M 30.8 42.2 23.1 13.4 16.7 8.62

606…K 13.6 26.7 8.2 17.6 19.3 5.799…K 14.6 29.3 7.7 19.4 21.5 6.359–M 25.4 49.8 17.6 15.5 36.0 10.79

32

406…K 18.6 28.6 13.2 18.9 14.8 6.919…K 18.3 28.6 10.6 22.1 15.1 6.919–M 35.7 54.1 28.0 15.6 27.0 13.06

606…K 12.4 29.7 7.0 22.2 25.3 6.979…K 12.3 29.7 4.6 24.3 25.5 6.979–M 25.6 59.4 17.8 19.4 49.7 13.96

Legend: tF = Fresh air temperatureRHF = Relative humidity of the fresh airQsen = Sensible cooling capacityQtot = Total cooling capacityQTG = Output for coverage of transmission sensible gains (→ sensible cooling load)tS = Supply air temperaturemC = Condensate quantityPHP = Power consumption of the condensing unit(s)

Reference: ■ At fresh air temperature 28 °C: room air 22 °C, extract air 24 °C / 50 % rel. humidity■ At fresh air temperature 32 °C: room air 26 °C, extract air 28 °C / 50 % rel. humidity

Table B16: Cooling capacity RoofVent® RP

Notice The output for coverage of transmission sensible gains (QTG) allows for the ventilation cooling requirement (QV) and the output of the energy recovery (QER) under the respective air conditions. The following applies: Qsen + QER = QV + QTG

B

21


3.10 Dimensions and weights

RoofVent® RP with 1 heat pump system

W

DM

S

CB

VJ

TU

128

200

EF

N

P

O

Q

R

80

H

134

401

201

310 G

7720

1

2380

1950

2080

47

A

1

2

3

6 7

5

8

9 1011

12

13

4

■1 Roof unit with energy recovery■2 Connection module■3 Access panel, coil■4 Access panel, connection box■5 Heating/cooling section■6 Communication module■7 Access panel, condensate separator

■8 Air-Injector■9 Gas line connection (∅ 22.2 mm)■10 Liquid line connection (∅ 9.5 mm)■11 Expansion valve■12 Access panel, liquid temperature sensor■13 Condensate connection (G1" external)

Fig. B6: Dimensional drawing RoofVent® RP-6-K, RP-9-K (dimensions in mm)

22


Unit type RP-6 RP-9A mm 1400 1750B mm 1040 1240C mm 848 1048F mm 410 450G mm 470 670M mm 620 610S mm 490 570T mm 500 630U mm 767 937V mm 900 1100H mm 984 1184J mm 1046 1246

Connection module V0 V1 V2 V3 V0 V1 V2 V3D mm 940 1190 1440 1940 980 1230 1480 1980E mm 530 780 1030 1530 530 780 1030 1530W mm 2050 2300 2550 3050 2160 2410 2660 3160

Table B17: Dimensions RoofVent® RP

Unit type RP-6-K RP-9-KN mm 68 88O mm 123 95P mm 254 360Q mm 71 96R mm 54 53

Table B18: Dimensions for connection

Unit type RP-6-K RP-9-KTotal kg 889 1151Roof unit kg 700 900Below-roof unit kg 189 251Air-Injector kg 37 56Heating/cooling section kg 70 94Communication module kg 4 4Expansion valve kg 3 3Connection module V0 kg 75 94

Additional weight V1 kg + 11 + 13Additional weight V2 kg + 22 + 26Additional weight V3 kg + 44 + 52

Table B19: Weights RoofVent® RP

B

23


RoofVent® RP with 2 heat pump systems

W

DM

S

CB

VJ

TU

128

200

EF

R

80

H

159

401

201

310 G

7720

1

O

P

N

Z

9130

3549

163

2380

1950

2080

47

A

1

2

3

6 6 7

5

89

10

1112

13 13

14

15

4

■1 Roof unit with energy recovery■2 Connection module■3 Access panel, coil■4 Access panel, connection box■5 Heating/cooling section■6 Communication module■7 Access panel, condensate separator■8 Air-Injector

■9 Gas line connection – circuit 1 (∅ 22.2 mm)■10 Gas line connection – circuit 2 (∅ 22.2 mm)■11 Liquid line connection – circuit 1 (∅ 9.5 mm)■12 Liquid line connection – circuit 2 (∅ 9.5 mm)■13 Expansion valve■14 Access panel, liquid temperature sensor■15 Condensate connection (G1" external)

Fig. B7: Dimensional drawing RoofVent® RP-9-M (dimensions in mm)

Detail Z

24


Unit type RP-9A mm 1750B mm 1240C mm 1048F mm 450G mm 670M mm 610S mm 570T mm 630U mm 937V mm 1100H mm 1184J mm 1246

Connection module V0 V1 V2 V3D mm 980 1230 1480 1980E mm 530 780 1030 1530W mm 2160 2410 2660 3160


Unit type RP-9-MN mm 84O mm 73P mm 330R mm 53


Unit type RP-9-MTotal kg 1174Roof unit kg 900Below-roof unit kg 274Air-Injector kg 56Heating/cooling section kg 110Communication module kg 8Expansion valve kg 6Connection module V0 kg 94

Additional weight V1 kg + 13Additional weight V2 kg + 26Additional weight V3 kg + 52


B

25


Roofvent® RP with supplementary heater (electric heating coil)

B

201

201

401

134

310 G

C

P

H

SM

420

D

EF

W201

7750 N

O

R

Q

80

VJ

TU

128

200

2380

1950

2080

47

A

1

2

34

5

9 10

8

11

13 1415

16

17

7612

■1 Roof unit with energy recovery■2 Connection module■3 Access panel, coil■4 Access panel, connection box■5 Heating section (electric)■6 Access panel, thyristor controller■7 Access panel, electric heating coil connection■8 Heating/cooling section■9 Communication module

■10 Access panel, condensate separator■11 Air-Injector■12 Access panel, electric heating coil■13 Gas line connection (∅ 22.2 mm)■14 Liquid line connection (∅ 9.5 mm)■15 Expansion valve■16 Access panel, liquid temperature sensor■17 Condensate connection (G1" external)

Fig. B8: Dimensional drawing Roofvent® RP-6SK, RP-9RK, RP-9SK (dimensions in mm)

26


Unit type RP-6SK RP-9RK, RP-9SKA mm 1400 1750B mm 1040 1240C mm 848 1048F mm 410 450G mm 470 670M mm 620 610S mm 490 570T mm 500 630U mm 767 937V mm 900 1100H mm 993 1192J mm 1046 1246

Connection module V0 V1 V2 V3 V0 V1 V2 V3D mm 940 1190 1440 1940 980 1230 1480 1980E mm 530 780 1030 1530 530 780 1030 1530W mm 2470 2720 2970 3470 2580 2830 3080 3580


Unit type RP-6SK RP-9RK RP-9SKN mm 68 88 88O mm 123 95 95P mm 254 360 360Q mm 71 96 96R mm 54 53 53


Unit type RP-6SK RP-9RK RP-9SKTotal kg 938 1212 1220Roof unit kg 700 900 900Below-roof unit kg 238 312 320Air-Injector kg 37 56 56Heating section kg 49 61 69Heating/cooling section kg 70 94 94Communication module kg 4 4 4Expansion valve kg 3 3 3Connection module V0 kg 75 94 94

Additional weight V1 kg + 11 + 13 + 13Additional weight V2 kg + 22 + 26 + 26Additional weight V3 kg + 44 + 52 + 52


B

27


Roofvent® RP with supplementary heater (hot water)

B

201

310 G

201

77

SM

AAD

W

401

134

H

C

ZE

F12

820

0

VJ

TU

R

80

PQ

N

OX

Y

2380

1950

2080

47

A

1

2

34

5

7 8

6

9

12 1314

15

16

1110

■1 Roof unit with energy recovery■2 Connection module■3 Access panel, coil■4 Access panel, connection box■5 Heating section (hot water)■6 Heating/cooling section■7 Communication module■8 Access panel, condensate separator

■9 Air-Injector■10 Return■11 Flow■12 Gas line connection (∅ 22.2 mm)■13 Liquid line connection (∅ 9.5 mm)■14 Expansion valve■15 Access panel, liquid temperature sensor■16 Condensate connection (G1" external)

Fig. B9: Dimensional drawing RoofVent® RP-6AK, RP-9AK (dimensions in mm)

28


Unit type RP-6AK RP-9AKA mm 1400 1750B mm 1040 1240C mm 848 1048F mm 410 450G mm 470 670M mm 620 610S mm 490 570T mm 500 630U mm 767 937V mm 900 1100H mm 984 1184J mm 1046 1246X mm 101 111Y mm 78 78Z mm 758 882

AA mm 270 300Connection module V0 V1 V2 V3 V0 V1 V2 V3

D mm 940 1190 1440 1940 980 1230 1480 1980E mm 530 780 1030 1530 530 780 1030 1530W mm 2320 2570 2820 3320 2460 2710 2960 3460


Unit type RP-6AK RP-9AKN mm 68 88O mm 123 95P mm 254 360Q mm 71 96R mm 54 53

Hot water heating coilConnection " Rp 1½ internal Rp 1½ internalWater capacity l 3.1 4.7


Unit type RP-6AK RP-9AKTotal kg 919 1195Roof unit kg 700 900Below-roof unit kg 219 295Air-Injector kg 37 56Heating section kg 30 44Heating/cooling section kg 70 94Communication module kg 4 4Expansion valve kg 3 3Connection module V0 kg 75 94

Additional weight V1 kg + 11 + 13Additional weight V2 kg + 22 + 26Additional weight V3 kg + 44 + 52


B

29


Condensing unit

765930

67 67

157016

80

1

2 3

■1 Electrical connection box■2 Working medium circuit connection (front or bottom)■3 Cable feedthroughs

Unit type ERQ250Weight kg 240

Table B29: Dimensions and weights of the Daikin ERQ250 condensing unit

30


Operating mode VE RECItem ■1 ■2 ■3 ■4 ■5

RP-6 Sound pressure level (at a distance of 5 m) 1) dB(A) 44 44 51 56 51Total sound power level dB(A) 66 66 73 78 73Octave sound power level 63 Hz dB 43 43 44 46 44

125 Hz dB 54 54 59 61 59250 Hz dB 60 60 64 67 64500 Hz dB 62 62 67 71 67

1000 Hz dB 57 57 70 74 702000 Hz dB 55 55 65 70 654000 Hz dB 51 51 60 66 608000 Hz dB 49 49 58 64 58

RP-9 Sound pressure level (at a distance of 5 m) 1) dB(A) 42 42 51 55 51Total sound power level dB(A) 64 64 73 77 73Octave sound power level 63 Hz dB 43 42 44 48 44

125 Hz dB 54 54 60 65 60250 Hz dB 57 57 63 69 63500 Hz dB 60 59 67 73 67

1000 Hz dB 56 56 69 76 692000 Hz dB 55 55 66 74 664000 Hz dB 49 48 58 67 588000 Hz dB 42 42 53 62 53

1) with hemispherical radiation in a low-reflection environment

■1 Fresh air■2 Extract air■3 Supply air■4 Exhaust air■5 Outdoors (roof unit)

Table B30: Sound data RoofVent® RP

Condensing unitERQ250

Sound pressure level (at a distance of 5 m) 1) dB(A) 58 Note The values are increased by 3 dB for 2 condensing units.

Total sound power level 2) dB(A) 78Octave sound power level 63 Hz dB 79

125 Hz dB 84250 Hz dB 80500 Hz dB 77

1000 Hz dB 732000 Hz dB 664000 Hz dB 608000 Hz dB 53

1) with hemispherical radiation in a low-reflection environment2) The values given are maximum values; the noise level is fluctuating due to scroll technology.

Table B31: Daikin ERQ250 condensing unit sound data

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31


4 Specification texts

4.1 RoofVent® RP

Supply and extract air handling unit with reversible heat pump system for heating and cooling high halls.The unit consists of the following components:

■ Roof unit with energy recovery ■ Below-roof unit:

– Connection module – Supplementary heater (option) – Heating/cooling section – Air-Injector

■ Control components ■ Optional components

The heat pump system consists of the following components: ■ Reversible condensing unit (1 or 2 pc.) ■ Communication module ■ Expansion valve ■ Optional components

The RoofVent® RP unit complies with all the requirements of the Ecodesign Directive 2009/125/EC relating to environ-mentally friendly design of ventilation systems. It is a system of the 'non-residential ventilation unit' (NRVU) and 'bidirec-tional ventilation unit' (BVU) type.

Roof unit with energy recovery

Self-supporting housing, made of aluminium (outside) and aluzinc sheet and aluminium (inside):

■ Weatherproof, corrosion resistant, impact resistant, air-tight

■ Low flammability, double-shelled, without heat bridges, with highly efficient insulation made of closed-pore polyurethane

■ Hygienic and easy to maintain because of smooth interior surfaces and large access doors with ageing-resistant, silicone-free sealing materials

The roof unit with energy recovery includes:

Supply air and exhaust air fansDesigned as maintenance-free, direct-drive radial fans with high-efficiency EC motor, backwards-curved, 3D contoured blades and a free-running rotating wheel made of a high-per-formance composite material; inflow nozzle with optimised flow; infinitely variable speed; with active pressure registra-tion for constant volumetric flow control and/or demand-con-trolled volumetric flow adjustment; low-noise; with integrated overload protection.

Fresh air filterDesigned as highly efficient compact filter elements, ISO ePM1 55 % (F7), fully incinerable, easy to change, including differential pressure switch for filter monitoring.

Extract air filterDesigned as highly efficient compact filter elements, ISO ePM10 65 % (M5), fully incinerable, easy to change, including differential pressure switch for filter monitoring.

Plate heat exchangerCross-flow plate heat exchanger made of high-quality aluminium as a highly efficient, recuperative heat recovery system, certified by Eurovent, zero-maintenance, without moving parts, failsafe, hygienically harmless, no cross-con-tamination of impurities and odours. Equipped with bypass, recirculation bypass, condensate drain and condensation trap to the roof. The following dampers are arranged on the exchanger package:

■ Fresh air and bypass dampers, each with their own actu-ator, for infinitely variable control of the heat recovery; with shut-off function by spring return.

■ Extract air and recirculation dampers, interlinked in a counter-rotating arrangement with a common actuator, for controlling the recirculation and mixed air operation; with shut-off function by spring return.

All dampers correspond to seal integrity class 2 according to EN 1751.

Access openings ■ Fresh air access door: large access opening with inte-

grated weather and bird protection, configured with quick locking system for easy access to the fresh air filter, the plate heat exchanger as well as the fresh air and bypass dampers.

■ Exhaust air access door: large, lockable access opening with integrated weather and bird protection for easy access to the exhaust air filter.

■ Extract air access door: large access opening, configured with quick locking system and telescopic support for easy access to the extract air filter, the plate heat exchanger, the condensation trap as well as the extract air and recir-culation dampers.

■ Supply air access door: large, lockable access opening, configured with telescopic support for easy access to the supply air fans, the control block and the condensate collecting channel.

Control blockCompact design on an easily accessible mounting plate, comprising:

■ Unit controller as part of the TopTronic® C control system: – Fully wired to the electrical components of the roof unit

(fans, actuators, temperature sensors, filter monitoring, differential pressure sensor)

– Pluggable wiring to the control box in the connection module

32

RoofVent® RP Specification texts

■ High-voltage section: – Mains power terminals – Main switch (can be operated from the outside) – Button for stopping the fans during filter change – Fuses for the transformer

■ Low-voltage section: – Transformer for actuators, sensors and the unit

controller – Externally switchable forced heating (only for units with

supplementary heater) – Externally switchable forced off

Connection module

Housing made of aluzinc sheet, air-tight, flame retardant, hygienic and easy to maintain because of smooth interior surfaces and ageing-resistant, silicone-free sealing mate-rials; configured with extract air grille and access panel for easy access to the coil for maintenance. The connection module contains:

■ Laced wiring harness protected in a sheet metal duct, with direct plug connection to the control block in the roof unit

■ Connection box made of galvanised sheet steel, config-ured with screw-on cover and cable lead-ins with splash water protection and strain relief; for connection of: – Power supply – Zone bus – Heat pump system – All sensors and actuators of the below-roof unit

(ready-to-connect) – Optional components as required

ConneCtion module V1 / V2 / V3:

The connection module is extended for adapting to the local installation situation.

Heating/cooling section

Housing made of aluzinc sheet, air-tight, flame retardant, hygienic and easy to maintain because of smooth internal surfaces and ageing-resistant, silicone-free sealing mate-rials, internally isolated with close-pored polyurethane. The heating/cooling section contains:

■ The highly efficient condenser/evaporator consisting of seamless copper pipes with pressed-on, optimised and profiled aluminium fins, manifold made of copper and injection distributor

■ The pull-out condensate separator with collecting channel, made of high-quality corrosion-resistant material, with a downslope in all directions for rapid draining

■ The condensate trap for connecting to a condensate drain (supplied).

Air-Injector

1 Air-injeCtor

Housing made of aluzinc sheet, air-tight, flame retardant, hygienic and easy to maintain because of ageing-resistant, silicone-free sealing materials, internally isolated with close-pored polyethylene, with:

■ Vortex air distributor with concentric outlet nozzle, adjust-able vanes and integrated absorber hood

■ Actuator for infinitely variable adjustment of the air distri-bution from vertical to horizontal for draught-free air distri-bution in the hall under changing operating conditions

■ Supply air temperature sensor

2 Air-injeCtor

2x Air-Injectors, supplied loose; supply air duct for connecting the RoofVent® unit to the Air-Injectors on site.Housing made of aluzinc sheet, air-tight, flame retardant, hygienic and easy to maintain because of ageing-resistant, silicone-free sealing materials, internally isolated with close-pored polyethylene, with:

■ Vortex air distributor with concentric outlet nozzle, adjust-able vanes and integrated absorber hood

■ Actuator for infinitely variable adjustment of the air distri-bution from vertical to horizontal for draught-free air distri-bution in the hall under changing operating conditions

■ Supply air sensor (supplied in the connection module)

Without Air-injeCtor

Unit configured without vortex air distributor for connection to an on-site supply air duct and air distribution within the building, supply air temperature sensor supplied in the connection module.

Heat pump system

Highly efficient modulating air/air heat pump system for heating and cooling as a split system, comprising the following components:

■ Reversible condensing unit ■ Communication module ■ Expansion valve (cooling)

Reversible condensing unit (Daikin ERQ250) ■ Compact unit for outdoor installation ■ Painted casing RAL 7044 (silk grey) made from galva-

nised sheet steel ■ Speed-controlled scroll compressor ■ Speed-controlled fan ■ Coated Al/Cu finned-tube evaporator or condenser ■ Electronic expansion valve (heating) ■ 4-way valve for defrosting ■ Shut-off valves on the working-medium side ■ Working medium R 410A ■ Terminal box

B

33

RoofVent® RPSpecification texts Specification texts

Communication moduleControl box for communication between the condenser unit, expansion valve and ventilation unit and for measuring the temperatures of the gas and liquid upstream or downstream of the heating/cooling section. For on-site installation on the side of the heating/cooling section.

Expansion valveKit with electronic expansion valve (cooling), thermally insu-lated and protected against mechanical damage. For on-site installation on the side of the heating/cooling section.

Condensing unit options

Protection hood (side)Hood made of painted steel for protection against wind and snow, to be mounted on the side of the condenser unit on site.

Protection hood (front)Hood made of painted steel for protection against wind and snow, to be mounted on the front of the condenser unit on site.

Condensate drain panPan made of painted steel for collecting and discharging the condensate, to be mounted on the bottom of the condenser unit on site.

Heating for condensate drain panHeating tape for protection against icing of the condensate in the condensate drain pan, for installation on site in the condenser unit.

Options for the unit

Supplementary heater with electric heating coilHousing made of aluzinc sheet, air-tight, flame retardant, hygienic and easy to maintain. The heating section contains:

■ Electric coil, protected by safety temperature limiter, temperature monitoring and air flow monitoring, consisting of steel heating sections in a galvanized steel frame

■ Terminal box for connecting the electrical supply ■ Continuous regulation of the heating power via thyristor

controller

Supplementary heater with hot waterHousing made of aluzinc sheet, air-tight, flame retardant, hygienic and easy to maintain because of ageing-resistant, silicone-free sealing materials. The heating section contains:

■ The highly efficient heating coil consisting of seamless copper pipes with pressed-on, optimised and profiled aluminium fins and manifolds made of copper; for connec-tion to the hot water supply

■ Frost controller

Paint finish of below-roof unitChoice of external paint finish in RAL colour

Fresh air and exhaust air silencersFresh air silencer configured as add-on part for the roof unit which can be folded downwards, housing made of aluminium with a bird screen and acoustic insulation lining, for reducing sound emissions on the fresh air side; exhaust air silencer configured as add-on part for the roof unit which can be folded downwards, housing made of aluminium with bird screen and easily accessible sound attenuation splitters, optimised flow, with abrasion-resistant and easily cleaned surfaces, non-flammable, hygienically clean with high-quality glass filament cover for reducing sound emissions on the exhaust air side, insertion loss fresh air/exhaust air _____ dB / _____ dB

Supply air and extract air silencersSupply air silencer configured as separated component in the below-roof unit, flow-optimised sound attenuation split-ters, with abrasion-resistant and easily cleaned surfaces, non-flammable, hygienically clean with high-quality glass filament cover, extract air silencer configured as acoustic insulation lining in the connection module, for reducing sound emission in the room, insertion loss supply air/extract air _____ dB / _____ dB

Hydraulic assembly diverting system(only for option of supplementary heater with hot water)Prefabricated assembly for hydraulic diverting system, consisting of mixing valve, regulating valve, ball valve, automatic air vent and screw connections for connection to the unit and to the distributor circuit; mixing valve with plug-in connection, sized for the coil in the unit and the Hoval TopTronic® C control system.

Mixing valve(only for option of supplementary heater with hot water)Mixing valve with modulating rotary actuator and plug-in connection, sized for the coil in the unit.

Condensate pumpConsisting of a centrifugal pump and a drip tray, max. delivery rate of 150 l/h with a delivery head of 3 m.

Socket230 V socket installed in the control block for simple supply of external, electrical units.

Energy monitoringConsisting of 2 additional temperature sensors for recording the air inlet and air outlet temperatures of the plate heat exchanger. Energy monitoring makes it possible to display the energy saved by heat and cool recovery.

34

RoofVent® RP Specification texts

Pump control for mixing or injection system(only for option of supplementary heater with hot water)Electrical components for controlling a mixing or injection circuit in the load circuit.

Return temperature sensor(only for option of supplementary heater with hot water)Temperature sensor for monitoring the heating medium.

4.2 TopTronic® C control systems

Freely configurable, zone-based control system ex-works for operation of decentralised Hoval indoor climate systems with optimised use of energy, suitable for demand-driven control of overall systems comprising up to 64 control zones each with up to 15 supply and extract air handling units or supply air units and 10 recirculation units.

System structure ■ Unit controller: installed in the particular indoor climate

unit ■ Zone bus: as serial connection of all unit controllers in

one control zone with the zone controller; with robust bus protocol via shielded and twisted-pair bus line (bus cables provided by the client)

■ Zone control panel with: – System operator terminal – Fresh air temperature sensor – Zone controllers and room air temperature sensors – All components for the electrical power supply and

protection ■ System bus (Ethernet): for connecting all zone controllers

to one another and to the system operator terminal (bus cables provided by the client)

Operation ■ TopTronic® C-ST as system operator terminal: touch panel

for visualisation and control by web browser via HTML interface, including software for LAN access

■ TopTronic® C-ZT as zone operator terminal: for simple on-site operation of a control zone (optional)

■ Manual operating selector switch (optional) ■ Manual operating selector button (optional) ■ Operating of the units via building management system

via standardised interfaces (optional): – BACnet – Modbus IP – Modbus RTU

Control functions ■ Control of the supply air temperature using room supply

air cascade control via sequential control of the energy recovery of the heating/cooling section and if necessary of the supplementary heater (depending on the unit type)

■ Demand-driven control of the supply air and exhaust air volumetric flows with minimum and maximum limit

depending on the room temperature or, optionally, the room air quality (for supply and extract air handling units)

■ Control of the unit including the air distribution according to the specifications of the zone controller

■ Control of the condenser unit in heating or cooling mode as specified by the room control unit

Alarms, protection ■ Central alarm management with registration of all alarms

(timestamp, priority, status) in an alarm list and alarm memory of the last 20 alarms; forwarding via e-mail can be set in the parameters.

■ If there is a failure of communication, bus stations, sensor systems or supply media, each part of the system transi-tions to a protection mode which safeguards operation.

■ Frost protection control of the units with constrained control of protection functions to prevent coil icing (only for option of supplementary heater with hot water)

■ A maintenance mode implemented in the control algorithm for testing all physical data points and alarms guarantees high reliability.

Options for the zone control panel ■ Design for heat pump ■ Cooling lock switch ■ Alarm lamp ■ Socket ■ Additional room air temperature sensors ■ Combination sensor room air quality, temperature and

humidity ■ External sensor values ■ External set values ■ Load shedding input ■ Operating selector switch on terminal ■ Operating selector button on terminal ■ Power supply for air handling unit ■ Power supply for heat pump system ■ Power supply for electric heating coil (only for option of

supplementary heater with electric heating coil) ■ Safety relay ■ Design for heating (only for option of supplementary

heater with hot water) ■ Control and power supply for distributor pump (only for

option of supplementary heater with hot water)

B

35

RoofVent® RPSpecification texts Specification texts

Options C

1 Unit type reference.............................................................................382 Connection module ............................................................................403 Design with 2 Air-Injectors .................................................................404 Design without Air-Injector .................................................................405 Paint finish of below-roof unit .............................................................406 Fresh air and exhaust air silencers ....................................................417 Supply air and extract air silencers ....................................................428 Hydraulic assembly diverting system .................................................429 Mixing valve .......................................................................................4410 Condensate pump ............................................................................4411 Socket ..............................................................................................4512 Energy monitoring ............................................................................4513 Return temperature sensor ..............................................................4514 Pump control for mixing or injection system .....................................4515 Condensing unit options ...................................................................47

37

Options Content

1 Unit type reference

RP - 6 A K - RX / ST . -- / V0 . D1 . LU / AF . SI / Y . KP . -- . SD / TC . EM . PH . RF

Unit typeRoofVent® RP

Unit size6 or 9

Heating section- without heating sectionA with coil type A (hot water)R with coil type R (electric)S with coil type S (electric)

Heating/cooling sectionK with coil type K (1 heat pump)M with coil type M (2 heat pumps)

Heat recoveryRX Temperature efficiency ErP 2018

DesignST Standard

Connection moduleV0 StandardV1 Length + 250 mmV2 Length + 500 mmV3 Length + 1000 mm

Air outletD1 Design with 1 Air-InjectorD2 Design with 2 Air-InjectorsD0 Design without Air-Injector

Paint finish- withoutLU Paint finish of below-roof unit

Silencer outside- withoutAF Fresh air and exhaust air silencer

Silencer inside- withoutSI Supply air and extract air silencer

38

Options Unit type reference

RP - 6 A K - RX / ST . -- / V0 . D1 . LU / AF . SI / Y . KP . -- . SD / TC . EM . PH . RF

Hydraulics- withoutY Hydraulic assembly diverting systemM Mixing valve

Condensate pump- withoutKP Condensate pump

Socket- withoutSD Socket in the unitCH Socket in the unit Switzerland

Control systemTC TopTronic® C

Energy monitoring- withoutEM Energy monitoring

Pump control- withoutPH Heating pump

Return temperature sensor- withoutRF Return temperature sensor

C

39

OptionsUnit type reference Unit type reference

2 Connection module

The connection module is available in 4 lengths for adapting the RoofVent® unit to local conditions.

3 Design with 2 Air-Injectors

A supply air duct can be connected to the RoofVent® unit for distributing the supply air over a very wide area. 2 Air-Injectors can be installed on this. The supply air duct and the cabling must be provided by the client.

Note An actuator is installed in each of the 2 Air-Injectors. The supply air temperature sensor is supplied in the connection module; it is to be installed in the supply air duct by the client.

Fig. C1: RoofVent® unit with supply air duct and 2 Air-Injectors

V

X

Size 6 9X mm 850 1050V mm 900 1100

Table C1: Connection dimensions supply air duct (in mm)

4 Design without Air-Injector

RoofVent® units in the design without Air-Injector are suitable for connecting to an air distribution system supplied by the client.

Note The supply air temperature sensor is supplied in the connection module; it is to be installed in the supply air duct by the client.

Fig. C2: Connection to an air distribution system supplied by the client (for dimen-sions see Table C1).

5 Paint finish of below-roof unit

The entire below-roof unit is painted in any colour. If the below-roof unit is equipped with a supply air silencer, this is also painted.

40

Options Connection module

6 Fresh air and exhaust air silencers

The fresh air silencer reduces noise emissions from RoofVent® units on the fresh air side. It consists of an aluminium casing with a bird screen and acoustic insulation lining and is configured as an add-on part for the roof unit which can be folded downwards.

L

H

B

Size 6 9L mm 625 625B mm 1280 1630H mm 650 650Weight kg 30 42Pressure drop Pa 10 10

Table C2: Technical data fresh air silencer

Frequency Size 6 Size 963 Hz 0 0125 Hz 1 1250 Hz 3 3500 Hz 4 41000 Hz 4 42000 Hz 4 44000 Hz 3 38000 Hz 3 3Total 3 3

Table C3: Insertion attenuation fresh air silencer (values in dB, relating to the nominal air flow rate)

The exhaust air silencer reduces noise emissions from RoofVent® units on the exhaust air side. It consists of an aluminium casing with a bird screen and sound attenuation splitters and is configured as an add-on part for the roof unit which can be folded downwards.

B

L

H

Size 6 9L mm 625 625B mm 1280 1630H mm 650 650Weight kg 52 68Pressure drop Pa 50 53

Table C4: Technical data exhaust air silencer

Frequency Size 6 Size 963 Hz 2 2125 Hz 3 3250 Hz 9 9500 Hz 11 111000 Hz 15 152000 Hz 14 144000 Hz 10 108000 Hz 8 8Total 9 9

Table C5: Insertion attenuation exhaust air silencer (values in dB, relating to the nominal air flow rate)

C

41

OptionsConnection module Fresh air and exhaust air silencers

7 Supply air and extract air silencers

Supply air and extract air silencers reduce the noise from RoofVent® units within the room. The supply air silencer is designed as a separated component and is installed above the Air-Injector. The extract air silencer consists of acoustic insulation lining in the connection module.

500

Size 6 9Weight kg 53 80Supply air pressure drop Pa 22 26Extract air pressure drop Pa 0 0

Table C6: Technical data supply air and extract air silencers

Supply air Extract airFrequency Size 6 Size 9 Size 6 Size 963 Hz 7 5 0 0125 Hz 9 7 0 0250 Hz 15 15 2 2500 Hz 17 17 3 31000 Hz 19 20 3 32000 Hz 15 17 3 34000 Hz 13 12 2 28000 Hz 10 9 2 2Total 15 15 2 2

Table C7: Insertion attenuation supply and extract air silencers (values in dB, relating to the nominal air flow rate)

8 Hydraulic assembly diverting system

Note This option is only available for units with supplemen-tary hot water heater.

Assemblies for hydraulic diverting which are optimally matched to the units are available for easy installation of RoofVent® units. Please note the following:

■ Install the assembly horizontally. ■ Mount the assembly so that its weight does not need to be

absorbed by the coil. ■ Insulate the assembly.

Default settings for the hydraulic alignmentRead off the default settings from Fig. C3. The curves 1.0 to 4.0 correspond to the revolutions of the valve spindles of the balancing valve; they are shown on the turning knob:0.0 __ Valve closed4.0 __ Valve fully openThe coil and the hydraulic assembly are already included in the specified pressure drops. Thus, only consider the pressure drops of the distributor circuit up to the screw connections.

Pressure drop in kPa

0

02

04

06

08

001

021

041

061

081

002

022

042

000500540004005300030052000200510001

1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.42.63.04.0

6AB

0

02

04

06

08

001

021

041

061

081

002

022

042

000900080007000600050004000300020001

1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6

3.0

4.0

9AB

Water flow rate in l/h

Fig. C3: Default settings for the balancing valves

42

Options Supply air and extract air silencers

■1 Automatic air vent■2 Coil screw joint■3 Control valve■4 Distributor circuit screw joint■5 Flow■6 Mixing valve■7 Ball valve■8 Return

Fig. C4: Dimensional drawing for hydraulic assembly

ED

C

AB

Type A B C D E Mixing valve Control valve Screw jointY-6AB 758 78 726 853 300 20-6.3HV STAD DN32 1¼ "Y-9AB 882 78 770 977 320 25-10HV STAD DN40 1½ "

Table C8: Dimensions (in mm) and valves of the hydraulic assembly

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43

OptionsSupply air and extract air silencers Hydraulic assembly diverting system

9 Mixing valve


Mixing valves which are optimally matched to the units are available for easy installation of RoofVent® units. They have the following specifications:

■ 3-way mixing valve with modulating rotary actuator (run time 9 s)

■ Flow characteristic: – Equal percentage control path – Linear bypass

■ Integrated position control and response

L

65 140

DA

M

93

H98 ≥

X

≥ Y

DI

Type DN kvs DA DI L H M X Ym³/h " " mm mm mm mm mm

M-6AB 20 6.3 G 1¼ Rp ¾ 86 46 42 220 90M-9AB 25 10 G 1½ Rp 1 85 46 45 220 90

Table C9: Dimensions mixing valves

Type WeightM-6AB 2.6M-9AB 3.1

Table C10: Weights mixing valves (in kg)

10 Condensate pump

RoofVent® cooling units must be connected to a condensate drainage system. For applications in which connection to the waste water system is too expensive or not possible for structural reasons, a condensate pump can be provided. This is installed directly under the condensate drain connec-tion; the supplied container is prepared for installation on the Air-Injector. It pumps the condensate through a flexible hose to a delivery head of 3 m, thus enabling discharge of the condensate

■ through waste water pipes directly below the ceiling, ■ onto the roof.

Flow rate (at 3 m delivery head) l/h max. 150Tank capacity l max. 1.9Dimensions (L x W x H) mm 288 x 127 x 178Weight kg 2.4

Table C11: Technical data condensate pump

Fig. C5: Condensate pump

44

Options Mixing valve

11 Socket

For maintenance work, a socket (1-phase, 230 V AC, 50 Hz) can be installed in the roof unit, next to the control block.

12 Energy monitoring

Energy monitoring makes it possible to display the energy saved by heat and cool recovery. For this purpose, 2 addi-tional temperature sensors are installed in the RoofVent® units; they record the air inlet and air outlet temperatures of the plate heat exchanger.

13 Return temperature sensor


The return temperature sensor monitors the return temper-ature of the heating medium. If necessary, it triggers frost pre-control at the heating valve to prevent the system possibly being shut down due to frost.

14 Pump control for mixing or injection system


Instead of the diverting system, an injection or mixing circuit can also be installed in the load circuit.

Please note the following: ■ Not only the mixing valves but also the pumps in the load

circuit are controlled directly by the control block. ■ Terminals for wiring the mixing valves and the pumps in

the load circuit are located in the connection box. ■ Make sure that valves and pumps which meet the

following requirements are provided on site.

14.1 Requirements for mixing valves

■ Use 3-way mixing valves with the following flow characteristics:

– Equal percentage control path – Linear bypass

■ The valve authority must be ≥ 0.5. ■ The maximum run time of the valve actuator is 45 s. ■ The valve actuator must be continuous, i.e. the stroke

changes in proportion to the control voltage (DC 2…10 V). ■ The valve actuator must be designed with a position

response (0...10 V DC or 2…10 V DC). ■ The maximum power consumption is 20 VA. ■ Install the valve close to the unit (max. distance 2 m).

14.2 Requirements for pumps

■ Voltage .............. 230 V AC ■ Current .............. up to 4.0 A

C

45

OptionsMixing valve Socket

< 2

m

1

3

5

4

6

7

8 9 10 11

12 13

14

1516 17

4

2

■1 Control block■2 Power supply for condensing unit■3 Connection box■4 Zone bus■5 Power supply RoofVent®

■6 Heating pump

■7 Mixing valve■8 Power supply control panel■9 Collective alarm■10 Fresh air temperature sensor■11 Room temperature sensor■12 Fault heat supply

■13 Distributor pump■14 System operator terminal■15 Zone control panel ■16 Heating demand■17 Heating control panel

Table C12: Schematic diagram for RoofVent® RP injection system (supplementary heater with hot water)

Heat pump system see page 55 and page 59

46

Options Pump control for mixing or injection system Injection system

15 Condensing unit options

15.1 Protection hood

Protection hoods protect the condensing unit against strong wind and heavy snowfall. They are installed on the side and/or front of the unit.

1

2

■1 Front protection hood■2 Side protection hoods

Fig. C6: Condensing unit with protection hoods

493A

154

1216

232

Dimension AFront protection hood 930Side protection hood 740

Fig. C7: Dimensions protection hood (in mm)

15.2 Condensate drain pan

The condensate drain pan collects and discharges the condensate. It is installed on the bottom of the condensing unit. The controlled discharge of the condensate prevents damage caused by ice forming under the unit.

100765

383 8

930∅ 25

Fig. C8: Dimensions condensate drain pan (in mm)

15.3 Heating for condensate drain pan

The heating tape prevents the condensate from freezing in the condensate drain pan and thus protects the unit against damage. It is installed in the condensing unit and connected in the condensing unit terminal box. Power: 250 W.

Fig. C9: Heating for condensate drain pan

C

47

OptionsPump control for mixing or injection system Condensing unit options

Transport and installation D

1 Installation .........................................................................................502 Refrigeration system installation ........................................................543 Hydraulic installation ..........................................................................564 Electrical installation ..........................................................................58

49

Transport and installation Content

1 Installation

1.1 Preparation

The following guidelines are important when preparing for installation:

■ The scope of delivery includes: – Roofvent® unit, delivered in 2 parts on pallets (roof unit,

below-roof unit) – Condensing unit – Accessories (installation material, extract air filter, trap,

temperature sensor, expansion valve, communication module)

– Optional components ■ The units are installed in or on the roof. A crane or heli-

copter is required.

RoofVent® unit ■ Transport eyes are supplied for lifting the below-roof unit

and the roof unit. – Use lifting ropes at least 2 m in length to lift the below-

roof unit. – Use lifting ropes at least 3 m in length to lift the roof

unit. ■ Depending on the unit size, the below-roof unit can be

delivered in 2 parts. ■ Make sure that the roof frame corresponds to the specifi-

cations in chapter 1.3. ■ A sealing compound is required for sealing (e.g. PU foam). ■ Define the desired orientation of the units (position of the

refrigerant connections).

Note The standard position of the refrigerant connec-tions is underneath the extract air grille. Check the local installation conditions. If another orientation is required, the heating or cooling section can be mounted turned round on the connection module.

■ Fresh air and exhaust air silencers are supplied sepa-rately. Install them on the unit before transporting it to the roof, and make sure they are locked.

■ Follow the installation instructions included.

Notice Provide suitable protective devices and make sure the units can be accessed easily. The maximum roof load of the RoofVent® units is 80 kg.

Condensing unit ■ Lifting the condensing unit with a crane:

– Use 2 straps at least 8 m in length. ■ Lifting the condensing unit with a forklift:

– Transport to the installation site: Lift the unit under the pallet.

– Unloading from the pallet: Guide the forklift tines into the large rectangular openings under the device.

■ Follow the installation instructions included.

Fig. D1: Lifting with a crane Fig. D2: Lifting with a forklift

1.2 Positioning

RoofVent® unit ■ Comply with the minimum and maximum distances. ■ Pay attention to the alignment of the units relative to each

other. Units must not draw in exhaust air from other units as fresh air.

■ All air inlet and air outlet openings must be freely acces-sible. The supply air jet must be free to spread out unhindered.

■ The access doors in the roof unit and the access panels in the below-roof unit must be easily accessible.

■ Clearance of at least 0.9 m is required for maintenance work around the heating/cooling section and, if applicable, the supplementary heater.

50

Transport and installation Installation

X/2 XY

Size 6 9Distance X min. m 11 13

max. m 22 28Mounting height Y min. m 4 5

max. 1) m Approx. 9…251) The maximum mounting height varies depending on the boundary conditions (for values,

see table of heat outputs or calculation with the 'HK-Select' selection program)

Table D1: Minimum and maximum distances

Roof unit

≥ 1015 1950 ≥ 1015R 99

6

90°90°

R 996

Roof unit with silencers

≥ 1100 ≥ 11001950

R 1045R 1045

Fig. D3: Space requirements for maintenance on the roof (dimensions in mm)

Notice If side access is not possible, proportionally more space is required for opening the access doors.

Condensing unit ■ Comply with the minimum distances for free air entry:

0.6 m at the front side and 0.2 m to the left and right. ■ The outgoing air jet must be free to spread upwards

unhindered. ■ Clearance of at least 0.9 m is required for maintenance

work at the rear side of the unit. ■ Make sure that the air inlet and outlet are not in the direc-

tion of the prevailing wind. If necessary, use a protection hood (option) to protect the condensing unit.

■ Protect the condensing unit against heavy snow fall. ■ Install the condensing unit on a level base with an

adequate load bearing capacity so as to avoid vibration and noise.

■ Install the condensing unit on a solid base at least 150 mm tall (steel frame or concrete).

■ If the condensing unit is mounted on a frame: attach a waterproof plate about 150 mm underneath the unit to prevent water penetrating the unit from below.

≥ 900≥ 200≥ 200

≥ 600

Bild D4: Space requirements for condensing unit (dimension in mm)

722

- 737

≥67

≥67

765

≥15

0

6767

930

7927

≥100≥100

Fig. D5: Frame for condensing unit (dimensions in mm)

D

51

Transport and installationInstallation Installation

1.3 Roof frame

Roof frames are required for installing RoofVent® units in the roof. Please consider the following in the design process:

■ The extract air grille and the access panels must be freely accessible under the roof.

■ The roof frame must protrude at least 200 mm from the roof, so that no water can penetrate during a rainstorm or snowfall.

Notice The connection module is available in 4 lengths for adapting to the local installation situation.

■ The opening (dimension Z2) must be large enough to accommodate the below-roof unit.

■ The condensate must be able to drain off freely. ■ The roof frame must be flat and horizontal. ■ Insulate the roof frame before installing the unit

(e.g. 40 mm PU foam). ■ Please observe the minimum distances when designing

the roof frame (see chapter 1.2). Change the orientation of the refrigerant connections, if necessary.

Z1

≥ 200

Z2

1

2

3

■1 Weight-bearing inner wall of the roof frame■2 Insulation (e.g. 40 mm PU foam)■3 IPE beamSize 6 9Z1 max. mm 1110 1460Z2 min. mm 962 1162

max. mm 970 1170

Table D2: Dimensions for roof frame

EA

A

≥ 20

0

181

F

200

■1 Access panel, connection box■2 Access panel, coil (both sides)■3 Extract air grille■4 Dimensions E and F see 'Technical data' chapter■5 Roof unit■6 Sealing compound (on site)■7 Sealing strip (fitted at the factory)■8 Roof frame■9 Membrane

Fig. D6: Installation of RoofVent® units in the roof frame (dimensions in mm)

Z320

Size 6 9Z3 mm 571 749

Table D3: Condensate drain of the plate heat exchanger (measured from unit centre)

52

Transport and installation Installation

Fig. D7: Conceptual drawing of the roof frame

Depending on local conditions, 2 different types of roof frame can be used:

■ Roof frame with straight side walls (where there is suffi-cient space)

■ Roof frame with conical side walls (where a below-roof unit protruding into the room interferes with the crane-ways, for example)

Note Ensure there is sufficient clearance for maintenance work (see chapter 1.2).

α

≥ 50

0

RoofVent® αwithout supplementary heater 20…45°with supplementary heater 40…45°

Fig. D8: Roof frame with straight side walls

Fig. D9: Roof frame with conical side walls

1.4 Unit installation

Proceed as follows to position the unit:

Below-roof unit ■ Apply sealing compound to the roof frame. ■ Screw in the transport eyes and attach the lifting gear. ■ Transport the below-roof unit to the roof frame using a

helicopter or crane. ■ Turn the below-roof unit to the desired position. ■ Hang the below-roof unit into the roof frame from above.

Roof unit ■ Remove the cover caps on the unit roof. ■ Screw in the transport eyes and attach the lifting gear. ■ Transport the roof unit to the roof, correctly position the

roof unit over the below-roof unit and set it down. ■ Screw the the roof unit and below-roof unit together. ■ Remove the transport eyes and refit the cover caps.

Heat pump system ■ Transport the condensing unit to the installation site. ■ Place the unit on the prepared frame. ■ Fasten the unit with 4 M12 anchor bolts. ■ Fit the expansion valve and the communication module on

the heating/cooling section of the below-roof unit.

D

53

Transport and installationInstallation Installation

1.5 Duct connection

If necessary, it is possible to connect an extract air duct to the below-roof unit instead of the extract air grille.

Fig. D10: Extract air duct

V

C

F 2020

Size 6 9C mm 848 1048F mm 410 450V mm 900 1100

Table D4: Connection dimensions (in mm)

2 Refrigeration system installation

The refrigerant pipes must be installed by a qualified refriger-ation technician in line with the local regulations.

To avoid damaging the unit: ■ Do not use any flux. ■ Ensure there is a nitrogen supply when soldering. ■ Insulate the refrigerant pipes. ■ Carry out an air-tightness test and vacuum drying.

Install the refrigerant pipes according to Fig. D11 and Fig. D12. Use the enclosed connection pipe to connect the expansion valve to the condenser/evaporator.

Refrigerant pipe specifications ■ Material:

– Liquid line: annealed copper – Gas line (suction gas): semi-hard copper

■ Diameter: – Liquid line ..............................9.5 mm – Gas line (suction gas) ..........22.2 mm

■ The pipe thickness must correspond to the applicable local regulations.

■ Connections on the condensing unit: – Left, front or right

Filling with refrigerant ■ The condensing unit is filled with refrigerant at the factory:

– Refrigerant R410A – Fill volume: 8.4 kg

■ The additional amount of refrigerant depends on the total length of the liquid line (300 g – 3 kg).

■ Refrigerant R410A is a mixture. It is essential to add it in the liquid state. The composition can vary in the gaseous state.

54

Transport and installation Refrigeration system installation

Refrigerant pipes for RoofVent® RP with 1 heat pump system

5 m … 50 m

≤ 30

m12

4 3

■1 Gas line (∅ 22.2 mm)■2 Liquid line (∅ 9.5 mm)■3 Expansion valve (supplied loose)■4 Connection pipe (supplied loose)

Fig. D11: Refrigerant pipes to be installed on site for RoofVent® RP-6…K, RP-9…K

Refrigerant pipes for RoofVent® RP with 2 heat pump systems

12 12

4

33

4

≤ 30

m

5 m … 50 m

■1 Gas line (∅ 22.2 mm)■2 Liquid line (∅ 9.5 mm)■3 Expansion valve (supplied loose)■4 Connection pipe (supplied loose)

Fig. D12: Refrigerant pipes to be installed on site for RoofVent® RP-9-M

D

55

Transport and installationRefrigeration system installation Refrigeration system installation

3 Hydraulic installation

3.1 Condensate connection

Below-roof unitCondensate arising in the below-roof unit must be removed via a condensate-proof line.

■ Install and insulate the supplied trap on the condensate connection of the unit.

■ Dimension the slope and cross-section of the condensate line so that no condensate backflow takes place.

■ Make sure that the condensate produced is drained in compliance with local regulations.

■ Route the condensate line from the pump directly upwards.

Notice Use the 'Condensate pump' option for quick and easy hydraulic installation.

Fig. D13: Condensate line

Condensing unit ■ Make sure that the condensing unit is not damaged by

pooling water or ice formation: – Create a condensate drain. – Provide heating for the condensate drain.

Note Use the “condensate drain pan” and “heating for condensate drain pan” options to discharge the condensate in a controlled manner.

3.2 Hot water heating coil (option)

The TopTronic® C control system is designed for a distributor circuit with separate hydraulic connection of the units; i.e. a mixing valve is installed in front of each unit. The diverting system is used as standard.

Requirements on the boiler system and the distributor circuit ■ Hydraulically coordinate the pipework for the individual

units within a control zone to ensure even distribution. ■ The heating medium must be available at the mixing valve

without delay in the required amount and temperature. ■ Depending on local conditions, check whether compensa-

tors for linear expansion are required for the supply and return lines and/or articulated connections are required for the units.

■ Do not fasten any loads to the coil, e.g. by means of the flow or return lines.

■ Insulate the hydraulic lines.

The TopTronic® C control system switches on the heating pump and the heating demand every day. This prevents the pump from jamming in case of a long shutdown.

Requirements for mixing valves ■ Use 3-way mixing valves with the following flow

characteristics: – Equal percentage control path – Linear bypass

■ The valve authority must be ≥ 0.5. ■ The valve actuator must have a short run time (< 10 s). ■ The valve actuator must be continuous, i.e. the stroke

changes in proportion to the control voltage (DC 2…10 V). ■ The valve actuator must be designed with a position

response (0...10 V DC or 2…10 V DC). ■ The maximum power consumption is 20 VA. ■ Install the valve close to the unit (max. distance 2 m).

Notice Use the 'Hydraulic assembly' or 'Mixing valve' options for quick and easy hydraulic installation.

56

Transport and installation Hydraulic installation

< 2

m

1

3

5

4

6

7 8 9 10

11 12

13

1415 16

4

2

■1 Control block■2 Power supply for condensing unit■3 Connection box■4 Zone bus■5 Power supply RoofVent®

■6 Mixing valve

■7 Power supply control panel■8 Collective alarm■9 Fresh air temperature sensor■10 Room temperature sensor■11 Fault heat supply■12 Distributor pump

■13 System operator terminal■14 Zone control panel ■15 Heating demand■16 Heating control panel

Table D5: Schematic diagram for hydraulic diverting system (supplementary hot water heater)

Heat pump system see page 55 and page 59

D

57

Transport and installationHydraulic installation Hydraulic installation

4 Electrical installation

■ The electrical installation must only be carried out by a qualified electrician.

■ Observe the relevant regulations (e.g. EN 60204-1). ■ Choose the dimensions of the cable cross sections in line

with the applicable regulations. ■ Route signal and bus lines separately from mains cables. ■ Make sure the lightning protection system for the units

or for the entire building is planned and carried out by professionals.

■ Provide overload protection equipment on site in the mains connection line of the zone control panel.

Caution Use an all-pole sensitive residual current circuit breaker for a leakage current protective circuit.

■ Carry out the electrical installation according to the wiring diagram: – Power supply for RoofVent® RP – Power supply for electric heating coil (option) – Power supply for condensing unit with leakage current

protective circuit and main switch with auxiliary contact in view of the heat pump (NO contact, provided by the client)

– Zone bus based on system layout – Signal lines

■ In the RoofVent® RP unit, connect the connection box in the below-roof unit to the control block in the roof unit.

■ Connect the electrical components of the below-roof unit to the connection box.

■ Connect the electrical components of the heat pump system.

2

3

1

■1 Connection box in the connection module■2 Electric heating coil connection■3 Power supply for electric heating coil

Fig. D14: On-site electrical connection of the electric heating coil (option)

23

4

5 6

1

■1 Connection box in the connection module■2 Frost controller■3 Temperature sensor air outlet supplementary heater■4 Return temperature sensor (option)■5 Mixing valve■6 Pump (option)

Fig. D15: On-site electrical connection of the hot water heating coil (option)

2 3

1

■1 Connection box in the connection module■2 Supply air temperature sensor■3 Actuator Air-Injector

Fig. D16: On-site electrical connection of the Air-Injector and supply air temperature sensor

58

Transport and installation Electrical installation

Electrical installation for RoofVent® RP with 1 heat pump system

98

34

5

7

1

2

6

■1 Power supply for condensing unit■2 Condensing unit main switch with auxil-

iary contact (NO contact, provided by the client)

■3 Power supply RoofVent®

■4 Zone bus■5 Connection box■6 Communication module (supplied loose)■7 Liquid temperature sensor■8 Gas temperature sensor (supplied loose)■9 Expansion valve (supplied loose)

Fig. D17: On-site electrical connection of the heat pump system for RoofVent® RP-6…K, RP-9…K

Electrical installation for RoofVent® RP with 2 heat pump systems

34

5

1

2

1

2

66

87

879

■1 Power supply for condensing unit■2 Condensing unit main switch with auxil-

iary contact (NO contact, provided by the client)

■3 Power supply RoofVent®

■4 Zone bus■5 Connection box■6 Communication module (supplied loose)■7 Liquid temperature sensor■8 Gas temperature sensor (supplied loose)■9 Expansion valve (supplied loose)

Fig. D18: On-site electrical connection of the heat pump system for RoofVent® RP-9-M

D

59

Transport and installationElectrical installation Electrical installation

Component Designation Voltage Cable CommentsZone control panel Power supply 3 × 400 V AC NYM-J 5 × … mm² 3-phase

1 × 230 V AC NYM-J 3 × … mm² 1-phaseZone bus J-Y(St)Y 2 × 2 × 0.8 mm max. 1000 m lengthSystem bus Ethernet ≥ CAT 5 For connecting several zone control

panelsIntegration into the building management system

Ethernet ≥ CAT 5 BACnet, Modbus IPJ-Y(St)Y 2 × 2 × 0.8 mm Modbus RTU

Room temperature sensor J-Y(St)Y 2 × 2 × 0.8 mm Max. 250 mFresh air temperature sensor J-Y(St)Y 2 × 2 × 0.8 mm Max. 250 mAdditional room air temperature sensors

J-Y(St)Y 2 × 2 × 0.8 mm Max. 250 m

Combination sensor room air quality, temperature and humidity

J-Y(St)Y 4 × 2 × 0.8 mm Max. 250 m

Collective alarm Volt-freemax. 230 V ACmax. 24 V DC

NYM-O 2 × 1.5 mm² max. 3 A

Power supply for units 3 × 400 V AC NYM-J 5 × 1.5 mm² (min.) RoofVent® units size 63 × 400 V AC NYM-J 5 × 4.0 mm² (min.) RoofVent® units size 93 × 400 V AC NYM-J 5 × 1.5 mm² (min.) TopVent® units

Power supply for condensing unit 3 × 400 V AC NYM-J 5 × 4.0 mm² (min.)Power supply for electric heating coil

3 × 400 V AC NYM-J 4 × 4.0 mm² (min.) S type size 6, R type size 93 × 400 V AC NYM-J 4 × 10.0 mm² (min.) S type size 9

Heating demand Volt-freemax. 230 V AC max. 24 V DC

NYM-O 2 × 1.5 mm² max. 6 A

Setpoint heating demand 0-10 V DC J-Y(St)Y 2 × 2 × 0.8 mm Max. 250 mFault heat supply 24 V AC NYM-O 2 × 1.5 mm² max. 1 ADistributor pump heat supply 3 × 400 V AC NYM-J 4 × 1.5 mm² (min.) Power supply 3-phase, max. 6 A

1 × 230 V AC NYM-J 3 × 1.5 mm² (min.) Power supply 1-phase, max. 6 ANYM-O 4 × 1.5 mm² Control line

System operator terminal (if external)

24 V AC NYM-J 3 × 1.5 mm² Power supply, 1 A fusingEthernet ≥ CAT 5 Communication

Zone operator terminal (if external)

24 V AC J-Y(St)Y 4 × 2 × 0.8 mm Power supply, 1 A fusing, max. 250 m length

External sensor values 0-10 V DC J-Y(St)Y 2 × 2 × 0.8 mmExternal set values 0-10 V DC J-Y(St)Y 2 × 2 × 0.8 mmLoad shedding input 24 V AC NYM-O 2 × 1.5 mm² max. 1 AOperating selector switch on terminal (analogue)

0-10 V DC J-Y(St)Y 2 × 2 × 0.8 mm

Operating selector switch on terminal (digital)

0-10 V DC J-Y(St)Y 5 × 2 × 0.8 mm

Operating selector button on terminal

24 V AC J-Y(St)Y 5 × 2 × 0.8 mm

Forced off 24 V AC NYM-O 2 × 1.5 mm² max. 1 A

60

Transport and installation Electrical installation

Component Designation Voltage Cable CommentsRoofVent® Power supply 3 × 400 V AC NYM-J 5 × 1.5 mm² (min.) RoofVent® units size 6

3 × 400 V AC NYM-J 5 × 4.0 mm² (min.) RoofVent® units size 9Zone bus J-Y(St)Y 2 × 2 × 0.8 mm max. 1000 m lengthForced off 24 V AC NYM-O 2 × 1.5 mm² max. 1 AForced heating 24 V AC NYM-J 2 × 1.5 mm² max. 1 AMixing valve heating 24 V AC NYM-O 5 × 1.0 mm²Heating pump 230 V AC NYM-J 3 × 1.5 mm² Power supply

24 V AC NYM-O 4 × 1.0 mm² Control linePower supply for electric heating coil

3 × 400 V AC NYM-J 4 × 4.0 mm² (min.) S type size 6, R type size 93 × 400 V AC NYM-J 4 × 10.0 mm² (min.) S type size 9

Communication module(2 × for RP-9-M)Cable supplied

Power supply 1 × 230 V AC NYM-J 3 × 1.5 mm² From the RoofVent® connection boxCable supplied

Communication RoofVent® J-Y(St)Y 6 × 2 × 0.8 mm Cable suppliedExpansion valve J-Y(St)Y 3 × 2 × 0.8 mm Cable suppliedLiquid temperature sensor H05VV-F 2 × 0.75 mm² Cable sensor suppliedGas temperature sensor H05VV-F 2 × 0.75 mm² Cable sensor supplied

Condensing unit(2 × for RP-9-M)

Power supply 3 × 400 V AC NYM-J 5 × 4.0 mm² (min.)Communication RoofVent® J-Y(St)Y 4 × 2 × 0.8 mm

Condensing unit main switch(2 × for RP-9-M)

Fault message J-Y(St)Y 1 × 2 × 0.8 mm Auxiliary contact signal(NO contact, provided by the client)

Table D6: Cable list for on-site connections

D

61

Transport and installationElectrical installation Electrical installation

System design E

1 Design example .................................................................................642 Maintenance schedule .......................................................................663 Checklist for project discussions ........................................................67

63

System design Content

1 Design example

Notice Use the 'HK-Select' program to design Hoval Indoor Climate Systems. You can download it free of charge on the Internet.

Design data Example

■ Hall geometry (L × W × H) ■ Required fresh air flow rate ■ Internal heat gains (machines, lighting, etc.) ■ Heating and cooling with decentralised heat pump ■ Optimisation of the ventilation quality (no limitation on the number of units)

52 × 42 × 9 m32 000 m³/h23 kW→ Unit type RP→ Unit size 6

Design conditions heating: ■ Fresh air temperature ■ Room temperature ■ Extract air conditions ■ Fabric heat losses

- 8 °C20 °C22 °C / 40 %rh93 kW

Design conditions cooling: ■ Fresh air temperature ■ Room temperature ■ Extract air temperature ■ Transmission sensible gains

32 °C / 40 %rh26 °C28 °C47 kW

Number of units ■ Calculate the required number of units:

n = Fresh air flow rate / nominal air flow rate

n = 32 000 / 5500 = 5.8

→ 6 units (size 6)

Type of heating coil ■ Calculate the required output for coverage of fabric heat losses per unit:

QH_req = (fabric heat losses – internal heat loads) / n

■ Use the 'Hoval HK-Select' selection program to calculate the output for coverage of fabric heat losses under the given design conditions and select the suitable coil type.

– To ensure that the plate heat exchanger cannot freeze, calculate the output data in the 'with icing protection' mode.

– To ensure that the condenser is not impaired by excessively low air intake temperatures, select supplementary heating with electric heating coil.

(93 – 23) / 6 = 11.7 kW per unit

RP-6SK: 19.3 kW→ Heating/cooling coil type K→ Electric heating coil type S

Type of cooling coil ■ Calculate the required output for coverage of transmission sensible gains per unit:

QC_req = (transmission sensible gains + internal heat loads) / n

■ Use the 'Hoval HK-Select' selection program to calculate the output for coverage of transmis-sion sensible gains under the given design conditions and select the suitable coil type.

(47 + 23) / 6 = 11.7 kW per unit

RP-6SK: 13.2 kW→ Heating/cooling coil type K

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System design Design example

Checks

■ Effective air flow rate

Veff = Nominal air flow rate × n

5 500 × 6 = 33 000 m³/h

33 000 m³/h > 32 000 m³/h→ OK

■ Effective heat output

QH_effective = Output for coverage of fabric heat losses × n

19.3 × 6 = 115.8 kW

115.8 kW > (93 – 23) kW→ OK

■ Mounting height Calculate the actual mounting height (= distance between the floor and the bottom edge of the unit) and compare with the minimum and maximum mounting height.

Y = Hall height – length of below-roof unit

9000 – 2470 = 6530 mm

Ymin = 4.0 m < 6.53 m→ OK

Ymax = 16.2 m > 6.53 m→ OK

■ Effective cooling capacity

Qc_effective = Output for coverage of transmission sensible gains × n

13.2 × 6 = 79.2 kW

79.2 kW > (47 + 23) kW→ OK

■ Floor area reached Compare the floor area reached with the base area of the hall (L × W).

A = Floor area reached × n

480 × 6 = 2880 m²52 × 42 = 2184 m²

2880 m² > 2184 m²→ OK

■ Minimum and maximum clearances Determine the positioning of the units according to the number of units and the base area of the hall; check the minimum and maximum clearances.

n = 6 = 3 × 2

Unit clearance in length:X = 52 / 3 = 17.3 mXmax = 22.0 ≥ 17.3 mXmin = 11.0 ≤ 17.3 m→ OK

Unit clearance in width:X = 42 / 2 = 21.0 mXmax = 22.0 ≥ 21.0 mXmin = 11.0 ≤ 21.0 m→ OK

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System designDesign example Design example

2 Maintenance schedule

Activity IntervalChanging the fresh air and extract air filter When the filter alarm is displayed, at least

annuallyComprehensively checking function; cleaning and possibly repairing the RoofVent® unit and the condensing unit

Annually by Hoval customer service

Table D1: Maintenance schedule

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System design Maintenance schedule

Project Name

Project No. Function

Address

Tel.

Fax

Date E-mail

Information about the hall

Application Length

Type Width

Insulation Height

Is the roof strong enough? yes no

Are there window areas? yes no Percentage?

Is there a crane? yes no Height?

Is there enough space for installation and servicing? yes no

Are there any voluminous installations or machines? yes no

Are pollutants present? yes no Which?

– If yes, are they heavier than air? yes no

Is oil contained in the extract air? yes no

Is dust present? yes no Dust level?

Is there high humidity? yes no How much?

Is the air volume balanced? yes no

Are local machine extractions required? yes no

Are any conditions imposed by public authorities? yes no Which?

Are sound level requirements to be fulfilled? yes no Which?

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System designMaintenance schedule Checklist for project discussions

Design data

Fresh air flow rate? m³/h

Fresh air / hall area m³/h per m²

Air change rate

Internal heat gains (machines, ...) kW

Heating and cooling

Unit size

Control zones

Design conditions heating

■ Highest outside temperature and humidity °C %

■ Room temperature °C

■ Extract air temperature and humidity °C %

■ Fabric heat losses kW

Design conditions cooling

■ Highest outside temperature and humidity °C %

■ Room temperature °C

■ Extract air temperature and humidity °C %

■ Transmission sensible gains kW

Further information

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System design Checklist for project discussions

Hoval quality.You can count on us.As a specialist in heating and air-conditioning technology, Hoval is your experienced partner for system solutions. For example, you can heat water with the sun's energy and the rooms with oil, gas, wood or a heat pump. Hoval ties together the various technologies and also integrates room ventilation into this system. You can be sure to save both energy and costs while protecting the environment.

Hoval is one of the leading international companies for indoor climate solutions. More than 70 years of experience continuously motivates us to design innovative system solutions. We export complete systems for heating, cooling and ventilation to more than 50 countries.

We take our responsibility for the environment seriously. Energy effi ciency is at the heart of the heating and ventilation systems we design and develop.

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Responsibility for energy and environment

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hoval indoor climate systems roofvent rp · filtering of the fresh air and the extract air air...

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